Patchwork [10/17] hw/vexpress: Set reset values for daughterboard oscillators

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Submitter Peter Maydell
Date March 15, 2013, 4:56 p.m.
Message ID <1363366599-24238-11-git-send-email-peter.maydell@linaro.org>
Download mbox | patch
Permalink /patch/228127/
State New
Headers show

Comments

Peter Maydell - March 15, 2013, 4:56 p.m.
Set the reset values for the VExpress daughterboard oscillators
via the new sysctl properties.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/vexpress.c |   32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

Patch

diff --git a/hw/arm/vexpress.c b/hw/arm/vexpress.c
index a2dc759..2e1a5d0 100644
--- a/hw/arm/vexpress.c
+++ b/hw/arm/vexpress.c
@@ -156,6 +156,8 @@  struct VEDBoardInfo {
     uint32_t proc_id;
     uint32_t num_voltage_sensors;
     const uint32_t *voltages;
+    uint32_t num_clocks;
+    const uint32_t *clocks;
     DBoardInitFn *init;
 };
 
@@ -260,6 +262,13 @@  static const uint32_t a9_voltages[] = {
     3300000, /* VCC3V3 : 3.3V : local board supply for misc external logic */
 };
 
+/* Reset values for daughterboard oscillators (in Hz) */
+static const uint32_t a9_clocks[] = {
+    45000000, /* AMBA AXI ACLK: 45MHz */
+    23750000, /* daughterboard CLCD clock: 23.75MHz */
+    66670000, /* Test chip reference clock: 66.67MHz */
+};
+
 static const VEDBoardInfo a9_daughterboard = {
     .motherboard_map = motherboard_legacy_map,
     .loader_start = 0x60000000,
@@ -267,6 +276,8 @@  static const VEDBoardInfo a9_daughterboard = {
     .proc_id = 0x0c000191,
     .num_voltage_sensors = ARRAY_SIZE(a9_voltages),
     .voltages = a9_voltages,
+    .num_clocks = ARRAY_SIZE(a9_clocks),
+    .clocks = a9_clocks,
     .init = a9_daughterboard_init,
 };
 
@@ -358,6 +369,18 @@  static const uint32_t a15_voltages[] = {
     900000, /* Vcore: 0.9V : CPU core voltage */
 };
 
+static const uint32_t a15_clocks[] = {
+    60000000, /* OSCCLK0: 60MHz : CPU_CLK reference */
+    0, /* OSCCLK1: reserved */
+    0, /* OSCCLK2: reserved */
+    0, /* OSCCLK3: reserved */
+    40000000, /* OSCCLK4: 40MHz : external AXI master clock */
+    23750000, /* OSCCLK5: 23.75MHz : HDLCD PLL reference */
+    50000000, /* OSCCLK6: 50MHz : static memory controller clock */
+    60000000, /* OSCCLK7: 60MHz : SYSCLK reference */
+    40000000, /* OSCCLK8: 40MHz : DDR2 PLL reference */
+};
+
 static const VEDBoardInfo a15_daughterboard = {
     .motherboard_map = motherboard_aseries_map,
     .loader_start = 0x80000000,
@@ -365,6 +388,8 @@  static const VEDBoardInfo a15_daughterboard = {
     .proc_id = 0x14000237,
     .num_voltage_sensors = ARRAY_SIZE(a15_voltages),
     .voltages = a15_voltages,
+    .num_clocks = ARRAY_SIZE(a15_clocks),
+    .clocks = a15_clocks,
     .init = a15_daughterboard_init,
 };
 
@@ -400,6 +425,13 @@  static void vexpress_common_init(const VEDBoardInfo *daughterboard,
         qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]);
         g_free(propname);
     }
+    qdev_prop_set_uint32(sysctl, "len-db-clock",
+                         daughterboard->num_clocks);
+    for (i = 0; i < daughterboard->num_clocks; i++) {
+        char *propname = g_strdup_printf("db-clock[%d]", i);
+        qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]);
+        g_free(propname);
+    }
     qdev_init_nofail(sysctl);
     sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]);